1122234456778 has 8 divisors (see below), whose sum is σ = 1728847676772. Its totient is φ = 545951897856.

The previous prime is 1122234456773. The next prime is 1122234456793. The reversal of 1122234456778 is 8776544322211.

It can be written as a sum of positive squares in 2 ways, for example, as 931751964529 + 190482492249 = 965273^2 + 436443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122234456773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582665175 + ... + 7582665322.

Almost surely, 2^{1122234456778} is an apocalyptic number.

1122234456778 is a deficient number, since it is larger than the sum of its proper divisors (606613219994).

1122234456778 is a wasteful number, since it uses less digits than its factorization.

1122234456778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165330536.

The product of its digits is 4515840, while the sum is 52.

Adding to 1122234456778 its reverse (8776544322211), we get a palindrome (9898778778989).

The spelling of 1122234456778 in words is "one trillion, one hundred twenty-two billion, two hundred thirty-four million, four hundred fifty-six thousand, seven hundred seventy-eight".